We explore neural avalanches, and the scaling relation among critical exponents, in overnight EEG recordings in human healthy subjects, during NREM sleep. Notably, the distributions of the avalanches’ size and duration are well described by a power law, with critical exponents in agreement with mean-field directed percolation class. Moreover, we study the correlation between the avalanches’ spatiotemporal structure and the sleep macro and microstructure as reflected by the CAP framework. Overall, our findings provide evidence of a link between the avalanche’s occurrence, slow-wave sleep dynamics, sleep stages transitions and CAP-phase A.
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